Sony has appointed its first chief information security officer.
Sony has named Philip Reitinger (pictured) as senior vice-president and chief information security officer, who will report to general counsel Nicole Seligman.
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The move to appoint a chief information security officer (CISO) comes four months after Sony was hit by one of the biggest data breaches in history.
The hacking of Sony's PlayStation Network and Online Entertainment service potentially exposed more than 100 million users to fraud.
Sony's initial estimate put the damage at £104m, but pundits said the biggest loss would be in reputational damage as lack of confidence hit Sony's share price.
Shares in Sony have fallen 55% since the company revealed the hacking on April 27, according to Reuters.
The incident also raised questions about Sony's security capability, a weakness Sony intends to address by filling several key roles with a cyber security expert.
Philip Reitinger, who has held cyber security positions at Microsoft and the US Departments of Homeland Security, Defense and Justice, will be responsible for assuring the security of Sony's information assets and services.
Sony says Reitinger will oversee information security, privacy and internet safety across the company, coordinating closely with key headquarters groups and working in partnership with the information security community to bring the best ideas and approaches to Sony.